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Published online 3 August 2006
Published in Soil Sci Soc Am J 70:1430-1440 (2006)
DOI: 10.2136/sssaj2005.0087
© 2006 Soil Science Society of America
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Right arrow Pedotransfer Functions
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Including Topography and Vegetation Attributes for Developing Pedotransfer Functions

Sanjay K. Sharmaa, Binayak P. Mohantyb,* and Jianting Zhuc

a currently at Dep. of Agricultural and Food Engineering. IIT Kharagpur, West Bengal, India 721302
b Biological and Agric. Engineering, 2117 TAMU, 301C Scoates Hall, Texas A&M Univ., College Station, TX 77843-2117
c currently at Desert Research Institute, 755 E. Flamingo Rd., Las Vegas, NV 89119


Figure 1
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  		Fig. 1. Geographical location of Southern Great Plains 1997 (SGP97) Hydrology Experiment in Oklahoma.

 

Figure 2
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  		Fig. 2. Soil texture distribution across the Little Washita (LW), El Reno (ER), and Central Facility (CF) focus regions based on particle size distribution (PSD) measurements of 157 samples.

 

Figure 3
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  		Fig. 3. Lower and upper confidence intervals of three different neural network models for water content at different matric potentials.

 

Figure 4
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  		Fig. 4. Predictions of van Genuchten hydraulic parameters based on Model 1.

 

Figure 5
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  		Fig. 5. Predictions of van Genuchten hydraulic parameters based on Model 14.

 




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